Aviation Class B/C Mishaps Top 5 Discrepancies MAINTENANCE TRENDS FROM FY12 CLASS B/C MISHAPS There were 44 Class B/C mishaps where maintenance was an accepted causal factor. While this doesn’t go into the specifics of each event, some broad generalizations are included in areas with multiple occurrences. MAINTAINER SLIPPING/FALLING (4) 1 Class B (Permanent Partial Disability) 3 Class C (1 confirmed injury & 2 pending) LOW POWER/HIGH POWER TURN UPS (11) 2 Class B ($1.6 million with 1 pending) 9 Class C ($1.02 million with 2 pending) Common factors: FOD, flight controls impacting engine doors, failing to follow turn checklist, lack of QA/FDC for turn operations, lack of a turn brief, complacency. FAILURE TO FOLLOW PUBS/SUPERVISION (23) 4 Class B ($3.2 million and 2 Permanent Partial Disability) 19 Class C ($3.48 million with 2 pending) Common factors: performing maintenance on loaded weapons, improper completion of special/ conditional inspections, lack of QA/CDI/SUP involvement/ supervision, not heeding NOTES / CAUTIONS / WARNINGS, lack of knowledge/experience, panels blown overboard, improper daily/pre-flight inspections, poor communication/pass down, complacency. TOWING EVOLUTIONS (5) 1 Class B ($1.14 million) 4 Class C ($287,000 with 1 pending) Common factors: lack of tow brief, towing without a full move crew, rushing to get the job done, failing to ensure proper clearance around obstacles. TOOL CONTROL (1) 1 Class C ($240,000)
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Navy photo by MC3 Will Tyndall
Navy photo by MCSA Andrew Haller
Navy photo by MC3 Ian Carver
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